text: Police verified that on the morning of May 13, the boys and girls of 3B class played and bit each other's hands?
classes:  No, the incident between two 3B students has been suppressed by the head teacher so far no one knows.  Also, the incident between two 3B students has been suppressed by the head teacher so far no one knows.  Yes, the incident between two 3B students has been suppressed by the head teacher so far no one knows.